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Finding the Fourth Proportional to 98,954.88, 148,434.48 and 59,544.96

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Solution

The fourth proportional to 98,954.88, 148,434.48 and 59,544.96 is: 89,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,954.88 : 148,434.48 = 59,544.96 : x
  2. Step 2: Convert to fraction form
    98,954.88/148,434.48 = 59,544.96/x
  3. Step 3: Cross multiply
    98,954.88x = 148,434.48 × 59,544.96
  4. Step 4: Simplify right side
    98,954.88x = 8,838,525,174.22
  5. Step 5: Solve for x
    x = 8,838,525,174.22/98,954.88
  6. Step 6: Final answer
    x = 89,318.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.